in 1636, Harvard is one of the most famous universities in the United States.
A. Being founded
B. It was founded
C. Founded
D. Founding
网友回答
A. Being founded
B. It was founded
(答案→)C. Founded
D. Founding
解析：由于 Harvard(哈佛大学)与 found(建立)是被动关系，且因句中有 in 1636，故选 C。注意不能选 B，否则前后两句之间缺少必要的连词。